Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination

Autores
Makinistian, Leonardo; Albanesi, Eduardo Aldo
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We present ab initio calculations of electronic and magnetic properties of the ferromagnetic metal/normal metal (F/N) interface of the Heusler alloy Co2MnAl and gold. Two structural models are implemented: one with the ferromagnet slab terminated in a pure cobalt plane ("Co2-t"), and the other with it terminated with a plane of MnAl ("MnAl-t"). The relaxed optimum distance between the slabs is determined for the two models before densities of states, magnetic moments, and the electric potential are resolved and analysed layer by layer through the interface. Complementary, calculations for the free surfaces of gold and the Heusler alloy (for both models, Co2-t and MnAl-t) are performed for a better interpretation of the physics of the interface. We predict important differences between the two models, suggesting that both terminations are to be expected to display sensibly different spin injection performances.
Fil: Makinistian, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Física Aplicada; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ingeniería; Argentina
Fil: Albanesi, Eduardo Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Física Aplicada; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ingeniería; Argentina
Materia
Heusler Alloys
N/F Interfaces
Spintronics
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/5657
Acceder
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repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy terminationMakinistian, LeonardoAlbanesi, Eduardo AldoHeusler AlloysN/F InterfacesSpintronicshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We present ab initio calculations of electronic and magnetic properties of the ferromagnetic metal/normal metal (F/N) interface of the Heusler alloy Co2MnAl and gold. Two structural models are implemented: one with the ferromagnet slab terminated in a pure cobalt plane ("Co2-t"), and the other with it terminated with a plane of MnAl ("MnAl-t"). The relaxed optimum distance between the slabs is determined for the two models before densities of states, magnetic moments, and the electric potential are resolved and analysed layer by layer through the interface. Complementary, calculations for the free surfaces of gold and the Heusler alloy (for both models, Co2-t and MnAl-t) are performed for a better interpretation of the physics of the interface. We predict important differences between the two models, suggesting that both terminations are to be expected to display sensibly different spin injection performances.Fil: Makinistian, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Física Aplicada; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ingeniería; ArgentinaFil: Albanesi, Eduardo Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Física Aplicada; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ingeniería; ArgentinaElsevier2015-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/5657Makinistian, Leonardo; Albanesi, Eduardo Aldo; Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination; Elsevier; Journal of Magnetism and Magnetic Materials; 385; 3-2015; 133-1370304-8853enginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0304885315002139info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jmmm.2015.02.072info:eu-repo/semantics/altIdentifier/doi/info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:10:24Zoai:ri.conicet.gov.ar:11336/5657instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:10:24.822CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
title Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
spellingShingle Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
Makinistian, Leonardo
Heusler Alloys
N/F Interfaces
Spintronics
title_short Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
title_full Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
title_fullStr Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
title_full_unstemmed Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
title_sort Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination
dc.creator.none.fl_str_mv Makinistian, Leonardo
Albanesi, Eduardo Aldo
author Makinistian, Leonardo
author_facet Makinistian, Leonardo
Albanesi, Eduardo Aldo
author_role author
author2 Albanesi, Eduardo Aldo
author2_role author
dc.subject.none.fl_str_mv Heusler Alloys
N/F Interfaces
Spintronics
topic Heusler Alloys
N/F Interfaces
Spintronics
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We present ab initio calculations of electronic and magnetic properties of the ferromagnetic metal/normal metal (F/N) interface of the Heusler alloy Co2MnAl and gold. Two structural models are implemented: one with the ferromagnet slab terminated in a pure cobalt plane ("Co2-t"), and the other with it terminated with a plane of MnAl ("MnAl-t"). The relaxed optimum distance between the slabs is determined for the two models before densities of states, magnetic moments, and the electric potential are resolved and analysed layer by layer through the interface. Complementary, calculations for the free surfaces of gold and the Heusler alloy (for both models, Co2-t and MnAl-t) are performed for a better interpretation of the physics of the interface. We predict important differences between the two models, suggesting that both terminations are to be expected to display sensibly different spin injection performances.
Fil: Makinistian, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Física Aplicada; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ingeniería; Argentina
Fil: Albanesi, Eduardo Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Física Aplicada; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ingeniería; Argentina
description We present ab initio calculations of electronic and magnetic properties of the ferromagnetic metal/normal metal (F/N) interface of the Heusler alloy Co2MnAl and gold. Two structural models are implemented: one with the ferromagnet slab terminated in a pure cobalt plane ("Co2-t"), and the other with it terminated with a plane of MnAl ("MnAl-t"). The relaxed optimum distance between the slabs is determined for the two models before densities of states, magnetic moments, and the electric potential are resolved and analysed layer by layer through the interface. Complementary, calculations for the free surfaces of gold and the Heusler alloy (for both models, Co2-t and MnAl-t) are performed for a better interpretation of the physics of the interface. We predict important differences between the two models, suggesting that both terminations are to be expected to display sensibly different spin injection performances.
publishDate 2015
dc.date.none.fl_str_mv 2015-03
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/5657
Makinistian, Leonardo; Albanesi, Eduardo Aldo; Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination; Elsevier; Journal of Magnetism and Magnetic Materials; 385; 3-2015; 133-137
0304-8853
url http://hdl.handle.net/11336/5657
identifier_str_mv Makinistian, Leonardo; Albanesi, Eduardo Aldo; Electronic and magnetic properties of the Co2MnAl/Au interface: relevance of the Heusler alloy termination; Elsevier; Journal of Magnetism and Magnetic Materials; 385; 3-2015; 133-137
0304-8853
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0304885315002139
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jmmm.2015.02.072
info:eu-repo/semantics/altIdentifier/doi/
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.13397

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